diff --git a/view/ec_sales_list.xml b/view/ec_sales_list.xml
index 80b2605f2c..47648b57d4 100644
--- a/view/ec_sales_list.xml
+++ b/view/ec_sales_list.xml
@@ -3,7 +3,7 @@
 this repository contains the full copyright notices and license terms. -->
 <tree>
     <field name="company_tax_identifier" tree_invisible="1"/>
-    <field name="party_tax_identifier"/>
+    <field name="party_tax_identifier" expand="1"/>
     <field name="code"/>
     <field name="amount"/>
     <field name="currency"/>